- Can You Please Answer All These Questions In Details Thanks In Advance 1 (42.54 KiB) Viewed 10 times
Can you please answer all these questions in details? Thanks in advance :)
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answerhappygod
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Can you please answer all these questions in details? Thanks in advance :)
Can you please answer all these questions in details? Thanks inadvance
7. ACT scores are normally distributed with mean μ = 24.2 and standard deviation o = 2.4. If we select one person at random, what is the probability that they have a score: (a) less than 20? (b) greater than 30? (c) between 28 and 32? 8. A spinner has four colors: red, blue, green and purple. If we spin twice, what is the probability that: (a) the first is blue and the second is green. (b) the first is blue and the second isn't blue. (c) the first isn't blue and the second is blue. (d) exactly one spin is blue.
7. ACT scores are normally distributed with mean μ = 24.2 and standard deviation o = 2.4. If we select one person at random, what is the probability that they have a score: (a) less than 20? (b) greater than 30? (c) between 28 and 32? 8. A spinner has four colors: red, blue, green and purple. If we spin twice, what is the probability that: (a) the first is blue and the second is green. (b) the first is blue and the second isn't blue. (c) the first isn't blue and the second is blue. (d) exactly one spin is blue.